Scientists are exploring a surprisingly simple way to clean up diesel engines: adding tiny droplets of water to the fuel. During combustion, the water rapidly vaporizes, triggering micro-explosions ...

We may receive a commission on purchases made from links. The engine bay under the hood is one of the dirtiest parts of a daily-driven car. But it's also one of the most neglected places to clean.

The U.S. Environmental Protection Agency has made $9 million in grant funding available for clean diesel projects to reduce diesel pollution and emissions exposure from the nation's existing fleet of ...

Browse the most recommended diesel injector cleaners to maintain your car's engine and performance ...